package com.smartEdu.test;
import java.util.HashSet;

import com.smartEdu.model.HomeworkSubmitModel;

//import java.util.HashSet;

public class test {
  private String s;
  public test(String s) {
    this.s = s;
  }
  public static void main(String[] args) {
    HashSet<Object> hs = new HashSet<Object>();
    test ws1 = new test("I'm stupid.");
    String s1 = new String("I'm stupid.");
    test ws2 = new test("I'm stupid.");
    String s2 = new String("I'm stupid.");
    test ws3 = new test("Yes, rather stupid.");
    hs.add(ws1); hs.add(s1); hs.add(ws2); hs.add(s2); hs.add(ws3);
    System.out.print(hs.size());
  }
}
